Training for new recruits is difficult and intense.

兵训练难度大、强度高。

And to anticipate every imaginable driving situation is a difficult programming problem.

目前，想要在 “AI” 编程中加入所有可能的因素难度极大。

Small and medium-sized enterprises (SMEs) are harder credit risks to assess than large ones, so they attract higher capital charges and are often the first to lose their funding in a downturn.

比于大企业，中小企业的信用风险更难度量，因此流向它们的信贷往往会要求一个更高的回报，而且当经济处于下行阶段时，流向这类企业的资金往往最容易损失。

Strong currents, poor visibility and high waves have been hampering the cooperation. Our correspondent Jonathan Head reports from nearby Jindo.

湍急的水流、可见度差和大浪给搜寻工作带来了难度，记者乔纳森·海德在珍岛附近报道。

Critics say it's possible, though difficult, to hack the blockchain.

评论家们说道侵入区块虽然有难度，但是可行的。

He positively revelled in the cult of difficulty.

毕加索肯定是在享受对挑战难度的迷恋中。

The sweet creations are judged on how they look, how creative they are and how hard they were to cook up.

评判标准是它们的品，型和制作难度。

Read often, read widely, and make sure the material is suitably difficult.

经常阅读、广泛阅读，并确保阅读材料有一定的难度。

So while there might be significant increases in energy use at localized regions of the brain when we perform difficult cognitive tasks, when it comes to the whole brain's energy budget overall, these activities don't significantly alter it.

因此，尽管我们执行有难度的认知任务时，大脑局部区域的能量消耗可能会显著提升，但是就整个大脑的能量平衡来说，这些认知任务并不能导致能量总和发生显著改变。

It's a lot harder than it looks.

实际上难度比想象的更大。

I enjoyed your challenge, those were really tricky tongue twisters!

我很喜欢你的挑战哦，那些绕口令真的是很有难度呢！

Novels about sport are notoriously hard to pull off.

写一部关于体育运动的小说，显然是有难度的。

Like, they asked them to recall strings of letters with varying degrees of difficulty.

在最近的一项实验中，研究人员使用了一台功能性磁共振成像设备（fMRI）来监测28人在进行某些认知测试时的大脑活动。比如，他们要求受试者回忆不同难度级别的字母串。

Bans on advertising lower marketing costs and make it harder for young upstarts to challenge established brands.

禁止广告的规定降低了营销成本，并且增大了想要建立品牌的暴发户的业难度。

External forces will make blitzscaling harder, too. Compared with the earlier generation of firms, today a reaction is in full swing, including over digital taxes and data and content laws.

外界因素也会增加这种" 闪电式扩张" 的难度。与早期互联网公司所面对的发展环境比，今天来自监管方的反噬达到了顶点 —— 数字税出台，数据和内容也颁布了关法律。

While Venezuela Retweets is streamed online, that makes it harder to trace the video and easier for AI avatars to front a newscast.

而委内瑞拉转推是在线直播的，这就增加了追踪视频的难度，也让人工智能主播更容易在闻播报中打头阵。

Choose from one of several circuits that vary in length and difficulty.

您可以从几条长度和难度各不同的线路中选择一条。

It was an extremely difficult shot to get right technically and with his sparkling performances.

这个镜头难度很高，不光是技术上，演技上也是挑战。

Actually, asking Jozsef Dobos about the mysteries behind this cake might be tough.

实际上，问Jozsef Dobos 这块蛋糕背后的秘密可能有点难度。

I mean as a kid, you have these dreams too, you know, especially gonna be in a city to make it out and to bring your family alone.

当我们还是孩子的时候，尤其是和家人在城市里艰难度日的时候。